Lesson 4.3.1.6
4.3.1.6 Human defence systems Quiz: AQA Combined Science, Unit 3
20 questions
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Lesson 4.3.1.6, Human defence systems: 20 multiple choice questions for the AQA GCSE Combined Science (8464), Unit 3: Infection and response, written with Revision Ninja.
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The 20 questions
-
Which of these is a non-specific defence listed for the human body?
- Antitoxin production
- Vaccination
- Skin
- Antibody production
-
Which part of the respiratory tract is listed as a non-specific defence?
- Diaphragm muscle
- Alveolar sacs
- Trachea and bronchi
- Ribcage bones
-
Which of these is NOT listed as a non-specific defence in the spec?
- Antibodies
- Skin
- Stomach
- Nose
-
What is the process where white blood cells engulf pathogens?
- Phagocytosis
- Respiration
- Transpiration
- Osmosis
-
What is the function of antitoxins produced by white blood cells?
- Producing energy
- Neutralising toxins
- Absorbing water
- Digesting cells
-
What does the immune system attempt to do when a pathogen enters?
- Destroy the pathogen
- Produce glucose
- Absorb nutrients
- Increase temperature
-
Which organ's acid is a non-specific defence against swallowed pathogens?
- Nose
- Stomach
- Trachea
- Skin
-
Which two non-specific features protect the nose from pathogens?
- Antibodies and toxins
- Hairs and mucus
- Skin and acid
- Cilia and platelets
-
A bacterium releases a toxin that damages cells. Which response neutralises it?
- Skin shedding
- Antitoxin production
- Sneezing
- Phagocytosis
-
Which body defence acts first when skin is cut?
- Skin barrier
- Phagocytes
- Antibodies
- Stomach acid
-
A white blood cell engulfs a bacterium and digests it. What process is this?
- Photosynthesis
- Phagocytosis
- Osmosis
- Transpiration
-
A pathogen is swallowed with food. Which organ's defence applies first?
- Skin
- Stomach
- Trachea
- Nose
-
Which process occurs first during an infection in a wound?
- Vaccination
- Antitoxin release
- Antibody production
- Physical barriers
-
Which cells carry out phagocytosis, antibody production and antitoxin production?
- White blood cells
- Platelets
- Red blood cells
- Nerve cells
-
What does the human immune system combine to defend against disease?
- Nerves and hormones
- Barriers and cells
- Muscles and bones
- Vitamins and minerals
-
What is targeted by non-specific defences compared to the immune response?
- All pathogens
- Only fungi
- Only bacteria
- Specific viruses
-
Why do white blood cells produce specific antibodies against pathogens?
- To provide energy
- To digest food
- To neutralise them
- To transport oxygen
-
What is the role of hydrochloric acid in the stomach?
- Killing pathogens
- Absorbing water
- Digesting protein
- Producing blood
-
Which non-specific defence works immediately in the trachea?
- Toxin creation
- Antitoxin production
- Mucus trapping
- Antibody release
-
Which white blood cell response produces proteins that target specific pathogens?
- Phagocytosis
- Antitoxin production
- Antibody production
- Stomach acid release
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